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Analysis

  • max time kernel
    1s
  • max time network
    77s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 03:47

General

  • Target

    26e2911a59f6c13c7455c843f1e3125d.exe

  • Size

    44KB

  • MD5

    26e2911a59f6c13c7455c843f1e3125d

  • SHA1

    ed0a403a613e354bda3d796f185da603fa4c7935

  • SHA256

    71b3661c3f6d53722ec93e1493ef0dbed85358569429d9f9a6d481ce3a5214c9

  • SHA512

    5b9ba0eb342baab5eefff0fc2dfac4f8d7d2b2753bd65ef2ad6ee12729cbdee4f16430f15c8b74519b6dcc7234779a3f2f15994074ccb16e4b961c7e2e54e060

  • SSDEEP

    768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFNgqHQjmALIuW/DJ5LDu:SKcR4mjD9r823FNCAF5fu

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26e2911a59f6c13c7455c843f1e3125d.exe
    "C:\Users\Admin\AppData\Local\Temp\26e2911a59f6c13c7455c843f1e3125d.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2708
    • C:\Users\Admin\AppData\Local\Temp\8AhYYBE1iXBp4Dn.exe
      C:\Users\Admin\AppData\Local\Temp\8AhYYBE1iXBp4Dn.exe
      2⤵
      • Executes dropped EXE
      PID:3972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1928-0-0x0000000000A10000-0x0000000000A27000-memory.dmp

    Filesize

    92KB

  • memory/1928-7-0x0000000000A10000-0x0000000000A27000-memory.dmp

    Filesize

    92KB

  • memory/2708-9-0x0000000000AD0000-0x0000000000AE7000-memory.dmp

    Filesize

    92KB

  • memory/2708-50-0x0000000000AD0000-0x0000000000AE7000-memory.dmp

    Filesize

    92KB

  • memory/3972-16-0x00000000751D0000-0x0000000075781000-memory.dmp

    Filesize

    5.7MB

  • memory/3972-20-0x00000000751D0000-0x0000000075781000-memory.dmp

    Filesize

    5.7MB

  • memory/3972-22-0x0000000001490000-0x00000000014A0000-memory.dmp

    Filesize

    64KB

  • memory/3972-49-0x00000000751D0000-0x0000000075781000-memory.dmp

    Filesize

    5.7MB